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| author | Christophe Lyon <christophe.lyon@linaro.org> | 2021-01-28 17:55:45 +0000 |
|---|---|---|
| committer | Christophe Lyon <christophe.lyon@linaro.org> | 2021-01-28 17:55:45 +0000 |
| commit | 31a0ab9213f780d2fa1da6e4879df214c0f247f9 (patch) | |
| tree | de4a0fb5a0a5ace648e5aa5fd9aef312bb99012c /gcc/go | |
| parent | e28bd09498bb8ee0dbb35ee213c1127b80ade00c (diff) | |
| download | gcc-31a0ab9213f780d2fa1da6e4879df214c0f247f9.zip gcc-31a0ab9213f780d2fa1da6e4879df214c0f247f9.tar.gz gcc-31a0ab9213f780d2fa1da6e4879df214c0f247f9.tar.bz2 | |
arm: Adjust cost of vector of constant zero
Neon vector comparisons have a dedicated version when comparing with
constant zero: it means its cost is free.
Adjust the cost in arm_rtx_costs_internal accordingly, for Neon only,
since MVE does not support this.
2021-01-28 Christophe Lyon <christophe.lyon@linaro.org>
gcc/
PR target/98730
* config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
of constant zero for comparisons.
gcc/testsuite/
PR target/98730
* gcc.target/arm/simd/vceqzq_p64.c: Update expected result.
Diffstat (limited to 'gcc/go')
0 files changed, 0 insertions, 0 deletions